What is the difference between Viagra and Cialis?

Apr 17, 2008 ... Addition of sildenafil to yohimbine significantly enhanced the effect of the latter on intromission frequency, intercopulatory interval and the ... Viagra is unlikely to impair common visual tasks, except under conditions of reduced visibility when objects are already near visual threshold. Nov 23, 2008 ... Even if Viagra increases athletic stamina by a small amount, it could have a significant effect on results in sports like distance running, or ... May 17, 2023 ... It tablet is taken by men to address erectile dysfunction. It enhances blood flow to the penis during sexual stimulation to facilitate erections. Jun 25, 2020 ... But the side effects of sildenafil citrate, even with a prescription, can be intense. Think headaches, upset stomach, blue-tinted vision ... What are the possible side effects of VIAGRA? VIAGRA can cause serious side ... Viagra (sildenafil citrate), Revatio (sildenafil), Cardura (doxazosin ... Sep 20, 2018 ... The most common side effects for Viagra are: Heart attack, stroke, irregular heartbeat and death have happened rarely in men taking Viagra. Viagra acts as a relatively specific vasodilator of the penile circulation that enhances prolonged muscle relaxation/vasodilation by inhibiting the action of ... Jun 1, 2000 ... No adverse cardiovascular effects of oral sildenafil were detected in men with severe coronary artery disease. 8 Viagra Side Effects You Should Know About. Brian Leonard, PharmD, BCACP, BCGP. Joshua Murdock, PharmD, BCBBS.